H2 database 行相加-行列转换
create or replace view view_acceptCompany
as
select * from (select WARNIGID,
max(CASEWHEN(zhtablename='中文表名', '中文表名', null)) field1,
max(CASEWHEN(zhtablename='管控类型', '管控类型', null)) field2,
max(CASEWHEN(zhtablename='测试中文表名', '测试中文表名', null)) field3 ,
max(CASEWHEN(zhtablename='测试中文表名2222', '测试中文表名2222', null)) field4
from monitor group by WARNIGID) as v_acceptCompany;
一步一个脚印,方便自己复习,欢迎大家指正,非常感谢,共同进步!
posted on 2014-06-23 18:25 lovebeauty 阅读(297) 评论(0) 编辑 收藏 举报